Patents Assigned to Namics Corporation
  • Publication number: 20210155819
    Abstract: A conductive paste, for forming an electrode of a solar cell, includes (A) a conductive component, (B) an epoxy resin, (C) an imidazole and (D) a solvent. An amount of (C) the imidazole in the conductive paste is 0.1 to 1.0% by weight based on 100% by weight of the conductive paste excluding (D) the solvent.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 27, 2021
    Applicant: NAMICS CORPORATION
    Inventors: Kenji KOBAYASHI, Kazuo MURAMATSU, Hideo TANABE
  • Publication number: 20210108025
    Abstract: An epoxy resin composition includes at least one thiol-based curing agent, a main epoxy resin, and a curing catalyst. The at least one thiol-based curing agent includes a non-hydrolyzable polyfunctional thiol compound having at least one hydroxyl group and/or urea bond. The main epoxy resin is at least one main aliphatic polyfunctional epoxy resin selected from a polyethylene glycol diglycidyl ether, a cyclohexane-based diglycidyl ether, and a dicyclopentadiene-based diglycidyl ether. The epoxy resin composition has a viscosity at 25° C. of 0.
    Type: Application
    Filed: February 20, 2019
    Publication date: April 15, 2021
    Applicant: NAMICS CORPORATION
    Inventors: Yohei UESUGI, Kazuki IWAYA
  • Patent number: 10941280
    Abstract: Provided is a liquid sealing material for copper bumps which is inhibited from suffering filler separation during thermal curing and thereby causing bump cracking. Also provided is a resin composition for use as the sealing material. The resin composition according to the present invention comprises (A) a liquid epoxy resin, (B) a hardener, and (C) an alumina filler having a surface treated with the silane coupling agent of the following formula (1).
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: March 9, 2021
    Assignee: NAMICS CORPORATION
    Inventors: Tomoya Yamazawa, Haruyuki Yoshii
  • Publication number: 20210040344
    Abstract: An electrically conductive paste contains (A) metal-coated particles each composed of titanium oxide and a metal coating layer formed on the surface of the titanium oxide and (B) a resin. The titanium oxide has a columnar form having a particle length and a particle shorter diameter and the particle length of the titanium oxide is longer than the particle shorter diameter. Each of the metal-coated particles has a columnar form having a particle length and a particle shorter diameter and the particle length of each of the metal-coated particles is longer than the particle shorter diameter.
    Type: Application
    Filed: January 16, 2019
    Publication date: February 11, 2021
    Applicant: NAMICS CORPORATION
    Inventor: Tomoyuki TAKAHASHI
  • Patent number: 10892242
    Abstract: An object of the present invention is to provide: a resin composition in which the specific resistance after curing is low regardless of the type of a thermosetting resin, and furthermore, the specific resistance after curing does not significantly change depending on the content of a copper powder; and a conductive copper paste including the resin composition. There are provided a resin composition including (A) a copper powder having an oxygen content of 0.3% by mass or less, (B) a thermosetting resin, (C) a fatty acid, and (D) an amine or an amine compound, as well as a conductive copper paste containing the resin composition. The (A) component has an average particle size of preferably 1 to 10 ?m.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: January 12, 2021
    Assignee: NAMICS CORPORATION
    Inventor: Tomoyuki Takahashi
  • Patent number: 10800873
    Abstract: To provide a technique for producing an epoxy resin cured product having toughness and elasticity. (A) the amine curing agent (B) an epoxy resin curing agent characterized in that the acrylic block copolymer is dissolved.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: October 13, 2020
    Assignee: NAMICS CORPORATION
    Inventor: Kazuyoshi Yamada
  • Publication number: 20200283551
    Abstract: A resin composition contains a 2-methylene-1,3-dicarbonyl compound and an initiator. The 2-methylene-1,3-dicarbonyl compound has a molecular weight of 180 to 10,000, and the initiator contains a basic substance having a pKa of 8 or greater.
    Type: Application
    Filed: October 30, 2018
    Publication date: September 10, 2020
    Applicant: NAMICS CORPORATION
    Inventors: Fuminori ARAI, Kazuki IWAYA
  • Patent number: 10770601
    Abstract: An electro-conductive paste which includes an electro-conductive powder, a multiple oxide containing tellurium oxide, and an organic vehicle. The electro-conductive paste contains 0.1 parts by weight to 10 parts by weight of the multiple oxide based on 100 parts by weight of the electro-conductive powder, and the content ratio of the tellurium oxide in 100% by weight of the multiple oxide as TeO2 is 3% by weight to 30% by weight.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: September 8, 2020
    Assignee: NAMICS CORPORATION
    Inventor: Seiya Konno
  • Patent number: 10738187
    Abstract: An object of the present invention is to provide a resin composition in which voids are suppressed during application, the voids and delamination are suppressed after reflow subsequent to mounting and a moisture absorption resistance test, and the delamination and change in resistance value after curing are suppressed, when used in a pre-supply type process. Provided is the resin composition containing (A) an acrylate compound or methacrylate compound having a specific structure and not having an aliphatic cyclic structure, (B) an acrylate compound or a methacrylate compound having an aliphatic cyclic structure and not having a structure of Chemical Formula (1), (C) an acid anhydride-modified polybutadiene compound, (D) silica particles, and (E) a polymerization initiator.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: August 11, 2020
    Assignee: NAMICS CORPORATION
    Inventors: Hiroki Myodo, Toyokazu Hotchi
  • Patent number: 10702954
    Abstract: A conductive paste including (A) a silver powder, (B) a glass frit, (C) an organic binder and (D) a powder containing Cu and at least one metal element selected from the group consisting of V, Cr, Mn, Fe and Co. The powder (D) may thus contain Cu and Mn, Cu and Fe or Cu and Co. The conductive paste has a desirable electromigration resistance, solder heat resistance and adhesiveness to a substrate.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 7, 2020
    Assignee: NAMICS CORPORATION
    Inventor: Yoshiaki Yoshii
  • Publication number: 20200185548
    Abstract: Provided is a conductive paste for forming bus bar electrodes having high adhesive strength with respect to a passivation film in a crystalline silicon solar cell without having a detrimental effect on the passivation film so as to affect solar cell properties. The conductive paste is a conductive paste formed on a passivation film of a solar cell, containing: (A) silver particles, (B) an organic vehicle, and (C) glass fit containing TeO2 at 1.0 mol % to 20 mol % and Bi2O3 at 10 mol % to 30 mol %.
    Type: Application
    Filed: July 12, 2017
    Publication date: June 11, 2020
    Applicant: NAMICS CORPORATION
    Inventors: Seiya KONNO, Noriyuki SAKAI
  • Patent number: 10672942
    Abstract: A method for producing a solar cell module is obtained that allows a wiring material to be wired by a highly productive wiring method when a solar cell module is formed by arranging the wiring material on an electrode of a solar cell. The method for producing a solar cell module includes preparing a plurality of solar cells having an electrode on at least one of a first main surface and a second main surface, arranging the plurality of solar cells so that the first main surfaces of the plurality of solar cells face roughly in the same direction, connecting the linear conductor for electrically connecting one of the electrode on the first main surface and the electrode on the second main surface of each solar cell with one continuous linear conductor, and electrically disconnecting the continuous linear conductor after the connecting the linear conductor so that the electrodes of at least one pair of adjacent solar cells among the plurality of solar cells are connected in series.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: June 2, 2020
    Assignee: NAMICS CORPORATION
    Inventor: Hideyo Iida
  • Publication number: 20200148922
    Abstract: A resin composition contains one or more 2-methylene-1,3-dicarbonyl compounds. At least one of the one or more 2-methylene-1,3-dicarbonyl compounds has a molecular weight of 220 to 10,000, and the amount by weight of those of the 2-methylene-1,3-dicarbonyl compounds having a molecular weight of less than 220 relative the entire resin composition of 1 is 0.00 to 0.05. The 2-methylene-1,3-dicarbonyl compounds contain a structural unit represented by formula (I) below.
    Type: Application
    Filed: May 18, 2018
    Publication date: May 14, 2020
    Applicant: NAMICS CORPORATION
    Inventors: Fuminori ARAI, Kazuki IWAYA
  • Patent number: 10590319
    Abstract: A composition including (a) 20 to 85 wt % of a thermally conductive silver component containing silver nano-particles having a particle diameter of 5 to 500 nanometers; (b) a polyorgano-silsesquioxane component, the polyorganosilsesquioxane component selected from the group consisting of (i) 0.5 to 12 wt % of a polyorganosilsesquioxane fine powder, (ii) 0.5 to 8 wt % of a copolymer powder containing an interlacing polymer network of (I) a polyorganosilsesquioxane and (II) a polydiorganosiloxane; and (iii) 0.5 to 12 wt % of a combination of the polyorgano-silsesquioxane fine powder and the copolymer powder; and (c) 3 to 12 wt % of a total solvent content in the form of (i) one or more solvents, (ii) a vehicle containing one or more solvents, or (iii) a combination thereof.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: March 17, 2020
    Assignee: NAMICS CORPORATION
    Inventors: Cathy Shaw Trumble, Maciej Patelka, Noriyuki Sakai, Nicholas C. Krasco
  • Publication number: 20200062926
    Abstract: Obtained are metal-coated particles able to be used in a resin composition capable of forming the wiring of an electrical circuit and/or electronic circuit having a low possibility of disconnection. The metal-coated particles have a metal coating layer on the surface of titanium oxide, wherein the titanium oxide has a columnar shape having a particle length and a particle diameter and the particle length of the titanium oxide is longer than the particle diameter, and the metal-coated particles have a columnar shape having a particle length and a particle diameter and the particle length of the metal-coated particles is longer than the particle diameter.
    Type: Application
    Filed: November 2, 2017
    Publication date: February 27, 2020
    Applicant: NAMICS CORPORATION
    Inventor: Tomoyuki TAKAHASHI
  • Publication number: 20200058577
    Abstract: A purpose of the present disclosure is to provide a multilayer wiring substrate capable of reducing transmission loss of electrical signals when using a fluororesin substrate, by using an adhesive layer capable of suppressing misalignment between layers and having excellent peel strength. Provided is a multilayer wiring substrate 1 including: a fluororesin substrate 30 having a conductor pattern 20 formed on at least one surface thereof; and an adhesive layer 10 for bonding the fluororesin substrate 30, wherein the adhesive layer 10 contains a cured product of a thermosetting resin, and has a breaking elongation rate of 20% or more and 300% or less.
    Type: Application
    Filed: February 20, 2018
    Publication date: February 20, 2020
    Applicant: NAMICS CORPORATION
    Inventors: Masaki YOSHIDA, Satoko OHASHI
  • Patent number: 10550131
    Abstract: The present invention provides a novel mercaptoethylglycoluril compound. The present invention also provides a curing agent for an epoxy resin using the substance, an epoxy resin composition using the curing agent for an epoxy resin, and an adhesive and a sealing agent each using the epoxy resin composition.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 4, 2020
    Assignees: SHIKOKU CHEMICALS CORPORATION, NAMICS CORPORATION
    Inventors: Akikazu Matsuda, Naoto Okumura, Takeshi Kumano
  • Patent number: 10544334
    Abstract: A heat conductive paste including silver fine particles having an average particle diameter of primary particles of 40 to 350 nm, a crystallite diameter of 20 to 70 nm, and a ratio of the average particle diameter to the crystallite diameter of 1 to 5, an aliphatic primary amine and a compound having at least one phosphoric acid group. The heat conductive paste includes 1 to 40 parts by mass of the aliphatic primary amine and 0.001 to 2 parts by mass of the compound having at least one phosphoric acid group based on 100 parts by mass of the silver fine particles. The heat conductive paste has a high conductivity.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: January 28, 2020
    Assignee: NAMICS CORPORATION
    Inventors: Koji Sasaki, Hiroki Maruyama
  • Patent number: 10541222
    Abstract: A conductive composition, which can form bonded portions and is capable of maintaining a thickness of the bonded portions and bonding strength, and which includes: (A) silver fine particles having a number average particle diameter of primary particles of 40 nm to 400 nm, (B) a solvent, and (C) thermoplastic resin particles having a maximal value of an endothermic peak in a DSC chart, determined by a measurement using a differential scanning calorimeter, within a range of 80° C. to 170° C.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: January 21, 2020
    Assignee: NAMICS CORPORATION
    Inventors: Koji Sasaki, Noritsuka Mizumura
  • Patent number: 10472461
    Abstract: The present invention is intended to provide a semiconductor device including adherends bonded with a cured product of an adhesive, the semiconductor device being configured such that a decrease in bonding strength after curing in a moisture resistance test is suppressed. In this semiconductor device, at least two adherends 20 and 70, 70 and 60, 70 and 50 made of at least one material selected from the group consisting of engineering plastic, ceramics, and metal are bonded with a cured product 10 of an adhesive containing (A) thermosetting resin, (B) a particular thiol compound, and (C) a latent curing agent.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: November 12, 2019
    Assignee: NAMICS CORPORATION
    Inventor: Fuminori Arai